Biggest UK Stock Losers Today: FTSE 100, Mid‑Caps and AIM Names Under Pressure (8 December 2025)

Biggest UK Stock Losers Today: FTSE 100, Mid‑Caps and AIM Names Under Pressure (8 December 2025)

The new trading week has opened on a cautious note for the United Kingdom stock market, with a cluster of UK shares posting sharp losses on Monday, 8 December 2025. Futures for the FTSE 100 were pointing slightly lower at the open, with IG pricing the index around 9,670, about 0.1% down, after Friday’s 0.5% fall to 9,667.01. [1]

At the same time, global markets are bracing for a crucial week of central‑bank decisions. IG’s weekly “Market Navigator” flags the US Federal Reserve and Reserve Bank of Australia meetings as key risk events, while traders also look ahead to a widely expected Bank of England rate cut later in December. [2]

Against this delicate macro backdrop, a handful of UK stocks have emerged as the biggest losers today – from niche AIM names to household FTSE 100 constituents. Here’s a detailed look at who’s falling, why, and what analysts are saying.


1. Market backdrop: cautious mood ahead of central‑bank decisions

Several pieces of fresh analysis published today and over the weekend set the scene for Monday’s trading:

  • Reuters’ “UK Stocks – Factors to watch on December 8” notes that FTSE 100 futures signalled a modestly weaker open, with sentiment shaped by expectations of a Federal Reserve rate cut later this week and continuing focus on the Bank of England after the UK’s weak labour data. [3]
  • The same report highlights Barclays, which is exploring a potential acquisition of wealth manager Evelyn Partners, The Magnum Ice Cream Company spin‑off from Unilever, and a short‑seller attack on Trustpilot as stock‑specific themes that could drive moves in individual UK names today. [4]
  • Tech‑focused site TS2 has published both a “UK Stock Market Preview” and a “UK Stock Market Outlook” for Monday 8 December, underscoring three near‑term drivers: the Magnum listing, Shell’s dividend FX announcement due today, and growing conviction that the Bank of England will cut rates at its 18 December meeting. TechStock²+1

IG’s global “Market Navigator” adds that mixed but cooling US inflation data has strengthened the case for a December Fed cut, nudging investors towards a “wait‑and‑see” stance in equities. [5]

In short: macro conditions are supportive of lower yields but also of increased volatility, a combination that often punishes the most speculative and richly valued pockets of the market first – which is exactly what we are seeing in today’s UK losers list.


2. Biggest stock losers across the UK market today

On a cross‑market view, the sharpest falls are concentrated in small‑cap and AIM stocks. TradingView’s “UK stocks that lost the most in price today” screener, refreshed intraday on Monday, shows double‑digit percentage declines in a cluster of micro‑caps: [6]

Everest Global PLC (EVST) – alcohol retail investment play tumbles ~38%

  • Move today: Around ‑38% to roughly 170p, making Everest Global the single biggest percentage loser on TradingView’s UK screen. [7]
  • What the company does: Everest Global is a small London‑listed investment company focused on off‑licence and alcohol retail premises in the South‑East of England, operating in the alcohol retail market via subsidiaries such as Precious Link (UK) Limited. [8]
  • Recent news & forecasts:
    • In July, the firm reported a swing to profit and a surge in revenue, prompting a strong rally in the shares. [9]
    • On 26 November 2025 it announced a new issue of convertible loan notes (CLNs), a move aimed at funding further acquisitions in its chosen niche. [10]
    • Short‑term technical analysis from StockInvest upgraded the stock to a “Buy candidate” in mid‑November, citing positive price trends and favourable risk‑reward; that call was based on a closing price of £2.50 on 5 December. [11]

Today’s steep drop looks like a violent reversal after that CLN‑fuelled rally, with traders taking profits and repricing the balance between leverage, illiquid assets and thin trading volumes. In such micro‑caps, relatively small sell orders can translate into outsized percentage moves.


Deltic Energy (DELT) – takeover uncertainty drives a ~31% slide

  • Move today: Deltic Energy is down about ‑31% to 2.75p, according to TradingView, putting it firmly among Monday’s worst performers. [12]
  • Story behind the stock: Deltic is a North Sea‑focused oil and gas explorer whose share price has been dominated this year by a proposed takeover by RockRose, part of the Viaro Energy group. [13]
  • Latest news:
    • Alliance News reported last week that the RockRose takeover has been delayed due to regulatory concerns, with the UK’s North Sea Transition Authority scrutinising the deal. [14]
    • That headline sent the shares sharply lower then, and Monday’s fresh drop suggests investors remain nervous about the likelihood and timing of completion.

With deal risk now firmly back on the table, Deltic’s valuation is being re‑anchored more to its stand‑alone exploration prospects – typically a much lower number than a fully priced takeover bid.


CPP Group (CPP) – transformation story hit by fresh selling (~‑15%)

  • Move today: CPP Group, the insurance and assistance services company, is off roughly ‑15% to 75p. [15]
  • Strategic pivot:
    • In June 2025 the company outlined a “transformation” plan to focus on its Blink digital platform and dispose of legacy operations. [16]
    • It has since agreed the sale of its CPP India unit for around $21 million, marking a key step in that pivot. [17]
  • Financial backdrop: FY 2023 results showed rising revenue but margin pressure and weaker EBITDA, leaving investors cautious about execution risk. [18]

No new RNS has hit the tape today, so Monday’s drop looks more like a continuation of existing scepticism than a fresh shock – with investors questioning how quickly the new, more digital CPP can translate restructuring into sustainable cash flow.


High‑beta tech, resources and biotech also under pressure

Beyond the three headline small‑caps, TradingView’s losers list shows a broad sell‑off across high‑beta themes: [19]

  • Health & biotech:
    • GENinCode (GENI), a precision‑medicine firm, is down about ‑13%.
    • SkinBioTherapeutics (SBTX), focused on skin microbiome treatments, is off around ‑9%.
  • AI & digital services:
    • Insig AI (INSG), IntelliAM AI (INT) and SysGroup (SYS) are all trading 6–10% lower, continuing the pattern of extreme volatility in early‑stage AI‑linked names.
  • Mining & energy explorers:
    • Blencowe Resources (BRES) and European Metals Holdings (EMH), both tied to battery and industrial metals themes, have dropped roughly 9%.
    • Prospex Energy (PXEN), Predator Oil & Gas (PRD) and Borders & Southern Petroleum (BOR) are also among the notable fallers.

These names share a common profile: speculative business models, limited near‑term earnings visibility and share registers dominated by retail traders. In a session where macro uncertainty is rising and futures are soft, such stocks tend to bear the brunt of de‑risking.


3. FTSE 100’s biggest fallers: Whitbread, Beazley, Intertek, Compass and BAE Systems

While the heaviest percentage losses are in smaller stocks, several familiar blue‑chips are under pressure too. IG’s “Top FTSE 100 fallers” table, which tracks percentage moves over the last 24 hours in real time, highlights: Whitbread, Beazley, Intertek Group, Compass Group and BAE Systems as Monday’s biggest large‑cap laggards, with drops ranging from about 3.5% to nearly 8%. [20]

Whitbread (WTB) – Premier Inn owner still digesting tax and profit worries (~‑6–8%)

Whitbread, owner of the Premier Inn hotel chain, remains under heavy pressure:

  • Recent catalysts:
    • In October, Whitbread reported first‑half results that beat profit expectations but warned on higher UK costs and trimmed its outlook for Germany, sending the shares down more than 8% on the day. [21]
    • In late November, the stock slumped over 11% after warning that UK property tax changes in Chancellor Rachel Reeves’ budget could cost the group £40–50 million a year. [22]

Analysts at outlets such as The Motley Fool have argued that the sell‑off could create a longer‑term value opportunity in a structurally advantaged budget hotel operator, but sentiment clearly remains fragile; Whitbread features prominently on today’s FTSE 100 fallers board. [23]


Beazley (BEZ) – insurer still re‑rated lower after Q3 disappointment (~‑8%)

Specialist insurer Beazley is another top blue‑chip loser today, extending a slide that began with its third‑quarter update:

  • On 25 November, Beazley’s shares dropped more than 10% after the company reported Q3 written premiums about 5% below some analysts’ expectations and lowered its 2025 growth outlook. [24]
  • Coverage from AJ Bell and Shares Magazine noted that the stock’s year‑to‑date gains were wiped out as investors focused on slower premium growth and weaker investment income, despite the underlying balance sheet remaining strong. [25]
  • MarketWatch reports that Beazley has continued to underperform the FTSE 100 into early December, with the share price still around 20% below its June high. [26]

Today’s drop looks like a continuation of that de‑rating rather than a new shock, as investors reprice a once‑high‑flyer to reflect more modest growth.


Intertek Group (ITRK) – growth wobble weighs on quality‑assurance giant (~‑4%)

Testing and quality‑assurance specialist Intertek Group is also among the FTSE’s worst performers:

  • Late last month, Intertek reported 4.1% organic revenue growth for its latest quarter – in line with some analyst models but slightly below consensus, prompting a more than 4% share price fall and putting it at the top of the FTSE 100 fallers list that day. [27]
  • The Wall Street Journal and other outlets stressed that the company kept its full‑year guidance intact and continues to benefit from structural demand in testing, inspection and certification, but investors appear unwilling to pay a premium multiple for merely “steady” growth. [28]

With the stock still trading well below its recent highs, today’s additional decline signals ongoing scepticism about near‑term upside before the macro picture improves.


Compass Group (CPG) – guidance beat overshadowed by slower growth outlook (~‑3–4%)

Catering giant Compass Group is another notable large‑cap loser:

  • On 25 November, Compass beat annual profit expectations, helped by strong US workplace demand, but warned that revenue growth is likely to moderate in 2026 as inflation falls. [29]
  • That cautious outlook triggered a 3% drop in the shares and, according to Proactive Investors, pushed the stock to a seven‑month low despite the robust set of results. [30]
  • MarketWatch noted last week that Compass shares have continued to underperform the broader FTSE 100. [31]

Even though analysts such as Berenberg still see almost 40% upside to their 12‑month price target, Monday’s slide suggests investors are taking a “show‑me” attitude until growth visibility improves. [32]


BAE Systems (BA.) – defence leader hit by rotation and peace hopes (~‑3.5%)

Defence contractor BAE Systems rounds out Monday’s large‑cap losers list:

  • After a strong run earlier in the year on the back of elevated defence spending, BAE’s share price has pulled back in recent weeks; interactive investor’s “eyeQ” model notes that momentum has “stalled a little” even though longer‑term valuation signals remain supportive. [33]
  • A Vox Markets market‑close report last week highlighted that defence names were under pressure as markets tentatively priced in progress towards a peace framework in Ukraine, putting BAE in a sector‑wide downdraft. [34]

Today’s further fall appears to reflect continued profit‑taking in a stock that has been one of the FTSE 100’s standout winners over the past two years, rather than any new company‑specific bad news.


4. Mid‑cap and consumer tech losers: Mony Group, Trainline and John Wood Group

Within the broader losers list, three mid‑cap names stand out for combining sizeable declines with rich news flow and forward‑looking analysis.

Mony Group (MONY) – AI fears hit the price‑comparison model (~‑5%)

Mony Group, owner of MoneySuperMarket and MoneySavingExpert, appears on TradingView’s losers screen with a drop of just over 5%. [35]

  • Last week, Morgan Stanley downgraded Mony from Overweight to Equal‑weight, warning that advances in “agentic AI” could disrupt traditional comparison‑site models by letting consumers automate complex shopping and switching tasks without relying on intermediaries. [36]
  • The Times has also highlighted slowing revenue growth – just 1% in the first half of 2025 – as falling car‑insurance premiums weigh on its core segment, even though the group remains highly profitable and continues to run a share buyback. [37]

Today’s sell‑off looks like the market continuing to digest that AI‑and‑competition risk narrative. Longer‑term, some analysts still see value, projecting resilient cash flows and rising dividends; but for now, Mony is firmly on the “losers today” list.


Trainline (TRN) – policy headwinds and downgrades bite (~‑5%)

Online ticketing platform Trainline is also down nearly 5% today. [38]

  • Just days ago, J.P. Morgan cut its rating and price target, citing the UK government’s decision to freeze regulated rail fares and plans for a state‑backed online retailer as medium‑term threats to Trainline’s growth and margins. [39]
  • The share price has already fallen sharply this year amid concerns that Great British Railways and expanded contactless zones will erode the company’s distribution advantage. [40]

Monday’s additional drop underlines how sensitive Trainline remains to policy headlines and broker downgrades, with investors reassessing how durable its moat really is.


John Wood Group (WG.) – legacy of cash‑flow worries persists (~‑4.5%)

Engineering and energy‑services firm John Wood Group is another mid‑cap name among today’s biggest fallers. [41]

  • Back in February, the stock plunged up to 40% after Wood forecast another year of negative free cash flow, dashing hopes of a near‑term turnaround. [42]
  • Later in April, investors were rattled again when the CEO sold a small block of shares, a move that sparked a renewed decline despite ongoing strategic reviews and takeover speculation. [43]

With that backdrop, Monday’s weakness appears to reflect lingering concerns over balance‑sheet strength and cash‑generation, even as the broader energy‑services sector tries to stabilise.


5. How today’s losers fit into the wider UK market outlook

Today’s pattern of big losers – speculative small‑caps, policy‑sensitive consumer platforms, and a handful of blue‑chip financials and cyclicals – lines up with the key themes in current research and forecasts:

  1. Macro‑driven rotation:
    • IG’s weekly outlook and Investing.com’s European market wrap both stress that the final Fed and BoE meetings of 2025 are the dominant drivers of sentiment, with markets pricing a high probability of a US rate cut and at least one BoE cut this month. [44]
    • In such an environment, investors are trimming exposure to the most volatile and rate‑sensitive assets ahead of those decisions – which explains why micro‑caps and richly rated growth stocks feature prominently on today’s losers board.
  2. Sector‑specific hangovers:
    • Insurance and financials: Beazley’s continued slide echoes a broader risk‑off tone in financials flagged in recent London market reports, where banks and insurers have underperformed even as index‑level earnings hold up. [45]
    • Travel, leisure and hospitality: Whitbread and Trainline, both exposed to UK consumer spending and government policy, remain under pressure following profit warnings, tax concerns and fare/free‑competition initiatives. [46]
    • Defence: BAE’s drop is consistent with commentary that defence stocks have cooled on hopes of progress in Ukraine and after a very strong multi‑year run. [47]
  3. Index reshuffles and structural flows:
    • FTSE Russell’s December review – which will see WPP relegated from the FTSE 100 and British Land promoted later this month – is already influencing flows, as TechStock’s outlook piece notes. WPP in particular could see further selling pressure as index‑tracking funds adjust. TechStock²+1
  4. Idiosyncratic catalysts:
    • Deltic Energy’s delayed takeover, Mony Group’s AI‑risk downgrade and Intertek’s slightly soft organic growth are all examples of stock‑specific catalysts being amplified by a more fragile macro mood. [48]

For investors, the message from today’s losers is less about a single shock and more about a repricing of risk: markets are rewarding balance‑sheet strength, visibility and defensiveness, while punishing complexity, leverage and policy exposure.


6. What to watch for next

Looking beyond today’s price action, several upcoming events and trends flagged in the latest research could continue to shape UK losers (and winners) over the next few sessions:

  • Fed and BoE meetings: Any surprise on the size or tone of rate cuts could quickly reprice sectors like banks, housebuilders and long‑duration growth stocks. [49]
  • Shell’s dividend FX announcement: Shell is due to confirm the sterling and euro equivalent of its Q3 dividend today; a stronger pound would slightly reduce income for UK‑based shareholders but might support domestically focused stocks longer term. TechStock²+1
  • Magnum Ice Cream Company listing: The demerger of Unilever’s ice‑cream business and its multi‑venue listing today could trigger sector rotation within consumer staples and affect flows into UK‑listed peers. TechStock²+2TechStock²+2
  • Ongoing index review positioning: With WPP’s relegation and British Land’s promotion now fixed, active managers are expected to keep adjusting holdings ahead of the official rebalance on 22 December. TechStock²+1

Given that many of today’s biggest losers are relatively illiquid or news‑driven names, investors and traders will be watching closely to see whether Monday’s moves prove to be the start of a deeper trend or simply a one‑day shake‑out before central‑bank decisions later in the week.

References

1. www.ig.com, 2. www.ig.com, 3. www.tradingview.com, 4. www.tradingview.com, 5. www.ig.com, 6. www.tradingview.com, 7. www.tradingview.com, 8. www.londonstockexchange.com, 9. shareprices.com, 10. everestglobalplc.com, 11. stockinvest.us, 12. www.tradingview.com, 13. www.lse.co.uk, 14. www.morningstar.com, 15. www.tradingview.com, 16. www.londonstockexchange.com, 17. www.investormeetcompany.com, 18. corporate.cppgroup.com, 19. www.tradingview.com, 20. www.ig.com, 21. www.reuters.com, 22. www.reuters.com, 23. www.fool.co.uk, 24. www.investing.com, 25. www.ajbell.co.uk, 26. www.marketwatch.com, 27. www.investing.com, 28. www.moomoo.com, 29. www.reuters.com, 30. www.proactiveinvestors.com, 31. www.marketwatch.com, 32. www.nasdaq.com, 33. www.ii.co.uk, 34. www.voxmarkets.com, 35. www.tradingview.com, 36. www.investing.com, 37. www.thetimes.co.uk, 38. www.tradingview.com, 39. www.investing.com, 40. www.theguardian.com, 41. www.tradingview.com, 42. www.reuters.com, 43. stockinvest.us, 44. www.ig.com, 45. www.investing.com, 46. www.reuters.com, 47. www.voxmarkets.com, 48. www.morningstar.com, 49. www.ig.com

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